Merge pull request #502 from 01-edu/costumerprofit

costumeprofit exercise for exam

subjects/costumeprofit.en.md

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+## costumeprofit
+
+### Instructions
+
+Shop is selling **a** ties, **b** scarfs, **c** waistcoats, **d** jackets.
+
+- You want to make a costume. There are 2 types of costumes :
+  - 1 - costume composed of tie and jacket.
+  - 2 - costume composed of scarf, waistcoat, and jacket.
+
+Costumes of first type cost **e** dollars, of second type cost **f** dollars.
+
+What is the maximum amount of dollars that shop can earn by selling costumes?
+
+Input will be given as 6 arguments, your output should be displayed as standard output.
+
+Input: `./main **a** **b** **c** **d** **e** **f**`
+
+```console
+$> ./main 12 11 13 20 4 6
+102
+```